Home / 12,614.49-18,909.45-11,532.06

Finding the Fourth Proportional to 12,614.49, 18,909.45 and 11,532.06

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Solution

The fourth proportional to 12,614.49, 18,909.45 and 11,532.06 is: 17,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.49 : 18,909.45 = 11,532.06 : x
  2. Step 2: Convert to fraction form
    12,614.49/18,909.45 = 11,532.06/x
  3. Step 3: Cross multiply
    12,614.49x = 18,909.45 × 11,532.06
  4. Step 4: Simplify right side
    12,614.49x = 218,064,911.97
  5. Step 5: Solve for x
    x = 218,064,911.97/12,614.49
  6. Step 6: Final answer
    x = 17,286.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.